How big is the tank on a Lexus GS 350?
The Lexus GS 350 typically carries a 17.4-gallon (66-liter) fuel tank.
Tank capacity across the GS 350 lineup
The standard tank size is consistent across the 2013–2020 GS 350 generation for most markets. Lexus lists 17.4 gallons (66 liters) as the capacity for both rear-wheel-drive and all-wheel-drive configurations, with only minor regional or labeling variations.
Does drivetrain or trim affect capacity?
In practice, the tank capacity remains 17.4 gallons regardless of drivetrain (RWD vs AWD) or trim level (GS 350, GS 350 F Sport). The differences among these versions are in performance tuning and features, not the fuel tank size.
Below is a concise list of the key details about the tank size and how it might vary by configuration.
- Fuel tank capacity: 17.4 gallons (66 liters) for most GS 350 models.
- Drivetrain impact: Capacity remains the same for rear-wheel drive and all-wheel drive variants.
- Trim variants: GS 350 and GS 350 F Sport share the same tank size; other changes do not alter capacity.
- Verification: For exact specifications on a specific vehicle, consult the owner's manual or the door placard on the driver's side.
With the capacity confirmed, drivers can estimate how far a full tank will go based on actual fuel economy and driving conditions.
Estimated driving range per tank
EPA fuel economy for the GS 350 generally lands in the low-to-mid 20s miles per gallon combined, depending on drivetrain and driving conditions. A full 17.4-gallon tank typically yields a real-world range of roughly 380 miles, with broader ranges on highway routes and shorter ranges in city driving. Real-world figures will vary.
Summary: The GS 350 uses a 17.4-gallon (66-liter) fuel tank across most model years, offering a consistent capacity and predictable range when paired with typical driving patterns.
What is the most common problem with Lexus GS 350?
Top Lexus GS350 Problems
- Brief Rattle or Knocking Noise on Initial Start Up.
- The Inside Rear View Mirror May Become Discolored.
- Software Upgrade for Navigation & Heater Control Displays.
- Lexus GS350 sputtering issue with check engine light and traction control warning.
Why was GS 350 discontinued?
With the shift in consumer preferences toward SUVs and crossovers, Lexus decided to discontinue the GS lineup in favor of focusing on higher-volume models.
How many miles per gallon does a Lexus GS 350 get?
The GS 350 gets an EPA-estimated 19/26/21 mpg city/highway/combined with all-wheel drive. With rear-wheel drive, mileage is rated 19/29/23 mpg.
How big is the gas tank on a Lexus GS 350?
The Lexus GS 350 has a gas tank size of 17.4 gallons for model years 2013 through 2020. Some older models, like the 2011, have a slightly smaller tank of 18.8 gallons.
- 17.4 gallons: This is the consistent size for most model years, from approximately 2013 to 2020.
- 18.8 gallons: This was the fuel tank capacity for earlier models, such as the 2011 Lexus GS 350.
